Show HN: I built an AI Agent that uses the iPhone

It’s powered by OpenAI’s GPT 4.1 model.

Uses Xcode UI tests + accessibility tree to look into apps, and performs swipes, taps, etc to get things done.


Comments URL: https://news.ycombinator.com/item?id=44155426

Points: 19

# Comments: 6

https://github.com/rounak/PhoneAgent

Show HN: System Prompt Learning – LLMs Learn Problem-Solving from Experience

I built a system that lets LLMs automatically learn and improve problem-solving strategies over time, inspired by Andrej Karpathy's idea of a "third paradigm" for LLM learning.

The basic idea: instead of using static system prompts, the LLM builds up a database of strategies that actually work for different problem types. When you give it a new problem, it selects the most relevant strategies, applies them, then evaluates how well they worked and refines them.

For example, after seeing e


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